Package1 and Package2 both have a method name lets say "methodA" with different implementation. When I import both the packages in a java class how can I use both the methods?7 7384
Why to give the file name same as the public class name in java?3 4818
If your team member writes code with lots of static variables and static methods, will it cause any side effects?
If I have 1000 objects and my requirement is to sort them quickly, then which collection would you recommend and why?
I have a Person object with 5 variables and I want to store them in a file called Person.txt. What should I do?
There is a Banking application. It has 2 types of account, Savings and Current. Write a method calculateInterest by passing an ArrayList of these account objects and calculate Interest accordingly. Write code for this situation1 1926
There are 2 methods in a class. Both have the same method signature except for return types. Is this overloading or overriding or what is it?
There are 2 classes, 1 LandAnimal and another WaterAnimal. There is another class Animal which wants to have the properties of both LandAnimal and WaterAnimal. How will you design this situation?
I have a String s = java; What is the output when I say s.replaceAll('j', 'k'); Also what is the value of s after replacing?
What does method mean?
What is unicode full form?
What is the difference between import java.util.date and java .util?
String and stringbuffer both represent string objects. Can we compare string and stringbuffer in java?
What is java regex?
Can we create object of static class?
Explain about the performance aspects of core java?
How will you reverse a link list without using recursion?
What is ascii format?
What is a null check?
What are predicates in java 8?
What is a platform?
Are functions objects in java?
Why packages are used?
How do you use compareto?